MMIOM_SET Parameter - lParam2

lParam2 (LONG)

Contains one of the following flags:

MMIO_SET_EXTENDEDINFO

Sets extended information.
MMIO_QUERY_EXTENDEDINFO_BASE
Query only the information of MMEXTENDINFO structure.
MMIO_QUERY_EXTENDEDINFO_ALL
Query all extended information including the CODEC associated information.

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